I don't know it. I do know many people do have dogs

来源: 于 2006-11-13 10:59:13 [旧帖] [给我悄悄话] 本文已被阅读：次

But I don't have any data
so I can't be as positive as you are

but I do know you can't also be positive about what you said, it is just your feeling/personal observations